when someone is the equivalent of banging your cock into something and the pain that ensues.
"fuck, bob is being a real cock-bang today."
by x PolloDiablo x April 12, 2010
This is what happens when two men hug each other and one of them forgets to slightly stick his ass out so as to prevent crotch to crotch contact.
The bar was so crowded that when Jake gave me a hug he cockbanged me.
by PapiChulapi June 08, 2006
the noise made when your dick hits a hard surface with speed
woah did u hear that noise? must have been some cockbang
by eddyweddyfeddy May 18, 2008